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1、 Unit 2 Topic 3 Would you like to be a greener person?Section C1沐风教育/Look up these words in a dictionary. power acid rain nuclear renewable electric efficient电力；电力；动力；力动力；力酸雨酸雨原子核的，原子核的，原子能的；原子能的；核动力的核动力的可更新的可更新的电动的，电动的，用电的用电的效率高的；效率高的；有能力的有能力的2沐风教育/Wind is used for producing electricity in many pla
2、ces.Look at the following pictures and guess the meaningof the underlined word.3沐风教育/More and more people are interested in electric cars.Look at the following pictures and guess the meaningof the underlined word.4沐风教育/people produce power from coal, but it is verydirty and causes acid rain.Look at
3、the following pictures and guess the meaningof the underlined words.5沐风教育/Nuclear power is clean but it is very dangerous.Look at the following pictures and guess the meaning of the underlined word.6沐风教育/Read 1a and answer the following questions.Why isnt coal a good material?What is the disadvantag
4、e of using nuclear power?What do you think of electric cars?What do you think of the maglev train?It is very dirty and causes acid rain. Nuclear power can be very dangerous. It is quiet and quick.They are very efficient and cost very little to run. 7沐风教育/Choose the right picture for each paragraph o
5、f 1a.abcChina is one of the first countries in the world to use biogas technology. Farmers recycle straw, grass and animal waste to make biogas. This renewable energy is used in peoples everyday life.Electric vehicles were developed in the 1990s. Now there are electric vehicles in many countries. Th
6、ey are very efficient and cost very little to run. Although electric vehicles produce no pollution, there will be an increase in electricity needs if they are widely used. In China, the best-known maglev train is the German-built one in Shanghai. It takes people just 7 minutes to go to the airport 3
7、0 km away and reaches a top speed of 431 km per hour. It is quiet and quick. There is no wheel noise, because there are no wheels. Maglev trains are very energy efficient and do not pollute the air. However, maglev guide paths are much more expensive than traditional steel railways.8沐风教育/1bWork alon
8、eRead 1a again and fill out the following table.Way to produce powerAdvantageDisadvantagebiogaselectric vehiclemaglev trainrenewable efficient,cheap, no pollution quiet, quick,energry efficient, no pollution It will cause an increase in electricity needs. much more expensive than traditional trains.
9、 9沐风教育/a. There are more than 3 000 power stations in the world that produce electricity by burning garbage to heat water.b. People use the movement of water to produce electricity.c. Wind is used for producing electricity in many places.d. People produce electricity from the sun.( )( )( )( )abdc10沐
10、风教育/Fill in the blanks using but, and, though and while.1. _ its raining hard, he keeps on working outside.2. Kangkang can solve the problem, _ I cant.3. Mr. Lin is very kind _ he is very humorous.4. The suit fits me well _ I cant afford it.Though while and but 11沐风教育/Use but, and, though and while
11、to describe the ways of producing power.12沐风教育/3Written workWhat good habits protect the environment? List as many as you can. The more you list, the greener you are.Good Habits1. Turn off the lights when you leave a room.2. Walk or ride a bike instead of taking a bus or a taxi. 3.Take a cloth bag w
12、hen you go shopping. 4.Dont use plastic bags. 13沐风教育/Useful expressionsIn many countries, people produce power from coal or nuclear energy.Its a pity that its too expensive to use in most of China.14沐风教育/1、列出更多的保护环境的好习惯。列出更多的保护环境的好习惯。2、课后搜集好的节能环保的方、课后搜集好的节能环保的方 法或者产品与大家交流。法或者产品与大家交流。3、预习、预习Section D。15沐风教育/Goodbye !16沐风教育/
